Dust samplerIt plays a key role in environmental air quality monitoring, and its application is mainly reflected in precise monitoring of dust concentration, analysis of particulate matter composition, evaluation of pollution sources and transmission pathways, etc., providing scientific basis for environmental protection and governance. The following are specific application instructions:
1、 Core function: Dust concentration monitoring and composition analysis
Quantitative collection of dust samples
The dust sampler sucks in air through an air pump and uses a filter membrane or paper to trap dust particles, achieving precise sampling. After sampling, the total concentration of dust in the air and the distribution of different particle sizes (such as PM2.5 and PM10) can be determined by weighing the weight difference of the filter membrane or chemical analysis.
Multi pollutant compatibility
Some advanced samplers can simultaneously monitor harmful substances in dust, such as heavy metals (lead, cadmium), sulfides, nitrogen oxides, etc., providing data support for evaluating the toxicity of air pollution.
2、 Application scenario: Full coverage from cities to industrial areas
Grid based monitoring of urban air quality
Monitoring targets: PM2.5, PM10, ozone precursors (NOx/VOCs), etc.
Technical adaptation:
Multi channel synchronous sampling: Independently control the particle and gas sampling channels, synchronously obtain associated pollutant data, and assist in traceability analysis.
Lightweight and portable design: The whole machine weighs 4-6.5kg, suitable for flexible deployment needs such as mobile monitoring vehicles and rooftop stations.
Rain, snow and anti-interference: The IP protective shell and electromagnetic compatibility design ensure continuous operation in rainy season or electromagnetic complex areas.
Application case: Layout points in urban traffic arteries, residential areas, green belts and other areas, draw spatial distribution maps of PM2.5 and ozone, and identify pollution transmission paths.
Monitoring of Pollution Emissions in Industrial Zones
Monitoring targets: Industrial dust (TSP), benzene derivatives, fluorides, heavy metals, etc.
Technical adaptation:
High flow and high load: Supports 100L/min high flow sampling, with a load capacity of -20kPa or above, to cope with high concentration dust environments.
Constant temperature gas channel: Constant temperature controlled (5-35 ℃) gas absorption bottle to prevent VOCs volatilization and improve detection accuracy.
Anti static adsorption design: Aluminum alloy sampling head reduces particle residue, ensuring the authenticity and reliability of filter membrane weighing data.
Application case: Monitor TSP and heavy metal diffusion range around chemical plants and steel plants to evaluate the operational effectiveness of dust removal equipment.
Emergency response to sudden environmental incidents
Monitoring targets: Semi volatile organic compounds (SVOC), toxic gases, explosive residue particles, etc.
Technical adaptation:
Multi channel fast switching: Complete the switching of particulate matter and gas sampling modes within 1 minute, seizing the golden time for monitoring.
Power outage continuation function: In case of unexpected power outage, the progress will be automatically saved, and sampling will continue after power supply is restored to ensure data integrity.
Endurance to harsh environments: Working in a wide temperature range of -50-125 ℃, suitable for fire, chemical leakage and other on-site situations.
Application case: Real time monitoring of SVOC concentration in the air after a chemical explosion accident, and delineation of personnel evacuation areas.